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-rw-r--r--vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/MplsLabelTranslator.java56
-rw-r--r--vpp-common/vpp-translate-utils/src/test/java/io/fd/hc2vpp/common/translate/util/MplsLabelTranslatorTest.java40
2 files changed, 96 insertions, 0 deletions
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/MplsLabelTranslator.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/MplsLabelTranslator.java
new file mode 100644
index 000000000..00653738d
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/MplsLabelTranslator.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2018 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.hc2vpp.common.translate.util;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import io.fd.vpp.jvpp.core.types.FibMplsLabel;
+import javax.annotation.Nonnull;
+
+/**
+ * Utility for Translating between different representations of MPLS label.
+ */
+public interface MplsLabelTranslator {
+ /**
+ * Make available also from static context.
+ */
+ MplsLabelTranslator INSTANCE = new MplsLabelTranslator() {
+ };
+
+ /**
+ * Builds {@link FibMplsLabel} from its YANG representation.
+ *
+ * @param label YANG representation of MPLS Label
+ * @return VPP representation of MPLS label
+ */
+ default FibMplsLabel translate(@Nonnull final Long label) {
+ checkNotNull(label, "MPLS label should not be null");
+ return translate(label.intValue());
+ }
+
+ /**
+ * Builds {@link FibMplsLabel} from int value.
+ *
+ * @param label MPLS Label value
+ * @return VPP representation of MPLS label
+ */
+ default FibMplsLabel translate(final int label) {
+ final FibMplsLabel fibMplsLabel = new FibMplsLabel();
+ fibMplsLabel.label = label;
+ return fibMplsLabel;
+ }
+}
diff --git a/vpp-common/vpp-translate-utils/src/test/java/io/fd/hc2vpp/common/translate/util/MplsLabelTranslatorTest.java b/vpp-common/vpp-translate-utils/src/test/java/io/fd/hc2vpp/common/translate/util/MplsLabelTranslatorTest.java
new file mode 100644
index 000000000..b0e7dd658
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/test/java/io/fd/hc2vpp/common/translate/util/MplsLabelTranslatorTest.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2018 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.hc2vpp.common.translate.util;
+
+import static org.junit.Assert.assertEquals;
+
+import io.fd.vpp.jvpp.core.types.FibMplsLabel;
+import org.junit.Test;
+
+public class MplsLabelTranslatorTest implements MplsLabelTranslator {
+ @Test
+ public void testTranslateLong() {
+ final int expectedLabel = 1048575;
+ final FibMplsLabel expected = new FibMplsLabel();
+ expected.label = expectedLabel;
+ assertEquals(expected, translate(Long.valueOf(1048575)));
+ }
+ @Test
+ public void testTranslateInt() {
+ final int expectedLabel = 11;
+ final FibMplsLabel expected = new FibMplsLabel();
+ expected.label = expectedLabel;
+ assertEquals(expected, translate(expectedLabel));
+ }
+
+}